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DTIC ADA141180: Defects and Materials Characterization by Analysis of Ultrasonic Signals.

by: Defense Technical Information Center

Publication date: 1983-10-30

Topics: DTIC Archive, Valdecantos,C, INSTITUTO NACIONAL DE TECNICA AEROESPACIAL MADRID (SPAIN), *Nondestructive testing, *Ultrasonic tests, *Defects(Materials), Detection, Acoustic velocity, Acoustic attenuation, Ultrasonic frequencies, Acoustic signals, Frequency analyzers, Computer applications, Algorithms, Inversion, Metals, Materials, Spain,

Collection: dticarchive; additional_collections

Language: English

Recent techniques in defects and materials characterization are reviewed and some of them selected to be implemented at INTA's Ultrasonic Lab. Previous work includes design and manufacture of several items (ultrasonic test bed, facsimile recorder) as well as familiarization with instrumentation. Main effort in this first year has been devoted to prepare software and to test it via elementary experiments on materials characterization. (Author)